1291155980 is an even 10-digits composite number following 1291155979
and preceding 1291155981 . In scientific notation, it is written as 1.291155980 × 10^9.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 498653120 positive integers (up to 1291155980) that are relatively prime to 1291155980.
1291155980 has 24 divisors, whose sum is 2804926320
The reverse of 1291155980 is 0895511921
Previous prime number is 29
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion two hundred ninety-one million one hundred fifty-five thousand nine hundred eighty
Scientific notation
1.291155980 × 10^9
Engineering notation
1.291155980 × 10^9
Prime Factorization
2 × 2 × 5 × 29 × 2226131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
645577990
Product of the distinct prime numbers
The prime factorization of 1291155980 is 2 × 2 × 5 × 29 × 2226131.
Since it has a total of 5 prime factors.
1 , 4 , 44 , 37 , 403 , 810 , 3717 , 8680 , 64802 , 16153 , 288515 , 496364 , 3487497 , 3992809 , 76967004 , 89720762 , 891679965 , 544725826 , 2438133854 , 4506739276
n×2
2582311960
n×3
3873467940
n×4
5164623920
n×5
6455779900
n÷2
645577990
n÷3
430385326.66667
n÷3
322788995
n÷5
258231196
n2
1667083764689760400
n3
2.1524651719401E+27
n4
2.7791682784922E+36
n5
3.5883397422015E+45
2 √n
35932.658960895
3 √n
1088.9123004746
4 √n
189.55911732464
5 √n
66.404229551354
1 , 2 , 4 , 5 , 10 , 20 , 29 , 58 , 116 , 145 , 290 , 580 , 2226131 , 4452262 , 8904524 , 11130655 , 22261310 , 44522620 , 64557799 , 129115598 , 258231196 , 322788995 , 645577990 , 1291155980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291155979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291155980 can be divided by 24 positive divisors.
The sum of these divisors (counting 1291155980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111101010111101000001100
3
Ternary
10022222112112000212
4
Quaternary
1030331113220030
5
Quinary
10121013442410
6
Senary
332041541552
8
Octal
11475275014
10
Decimal
1291155980
12
Duodecimal
3004a48b8
16
Hexadecimal
4cf57a0c
20
Vigesimal
1039e9j0
36
Base36
lcpybw
md5
74dbf4e7c87eac09e44f223b942e1c62
sha1
80e871970161677a7aeb7fd2dc0ea8f3514dd3cf
sha256
17e4b20a4f03f4a9cb7047c8438ddb983d45c16242460753b827b52e1712c53a
sha512
f55bfaa2db1f133699459cc8b5a739c83d0280c76469474698b7134514c3cb5aacd1311ecab69659bfa1e515aa21f5b81808db5bbf31096d714af807822a1e66
ripemd-160
c31c8acf43de03506176d65941e8c8f2449824f3
Diameter
2582311960
Circumference
8112572282.8131
Area
5.2372981080682E+18
Volume
9.0162250283665E+27
Surface area
2.0949192432273E+19
Circumference
8112572282.8131
Perimeter
5164623920
Area
1667083764689760400
Diagonal
1825970298.0551
Surface area
1.0002502588139E+19
Volume
2.1524651719401E+27
Space diagonal
2236347757.8564
Perimeter
3873467940
Area
7.2186844522897E+17
Altitude
1118173878.9282
Surface area
7.2186844522897E+17
Volume
2.5367045322445E+26
Height
608656766.01837